Tools & Wizards About Us
styrene.biz screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

styrene.biz

UK Expanded Polystyrene Manufacturer › Stylite › SPI

Page Load Speed

5.4 sec in total

First Response

1 sec

Resources Loaded

4 sec

Page Rendered

412 ms

styrene.biz screenshot

About Website

Click here to check amazing Styrene content. Otherwise, check out these important facts you probably never knew about styrene.biz

Welcome to SPI › Expanded Polystyrene manufacturing & supply of quality high performance insulation, Civil Engineering and Packaging products.

Visit styrene.biz

Key Findings

We analyzed Styrene.biz page load time and found that the first response time was 1 sec and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

styrene.biz performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value15.0 s

0/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value630 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.3 s

50/100

10%

Network Requests Diagram

www.styrene.co.uk

1019 ms

cssreset-min.css

531 ms

style.css

480 ms

tipsy.css

490 ms

jquery.min.js

571 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Styrene.biz, 6% (2 requests) were made to Cdnjs.cloudflare.com and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Styrene.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 274.9 kB (12%)

Content Size

2.3 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Styrene.biz main page is 2.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 18.3 kB

  • Original 23.8 kB
  • After minification 20.7 kB
  • After compression 5.5 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 3.1 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 18.3 kB or 77% of the original size.

Image Optimization

-9%

Potential reduce by 191.7 kB

  • Original 2.1 MB
  • After minification 1.9 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Styrene images are well optimized though.

JavaScript Optimization

-52%

Potential reduce by 62.4 kB

  • Original 120.1 kB
  • After minification 120.1 kB
  • After compression 57.7 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 62.4 kB or 52% of the original size.

CSS Optimization

-30%

Potential reduce by 2.4 kB

  • Original 8.1 kB
  • After minification 8.1 kB
  • After compression 5.7 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Styrene.biz needs all CSS files to be minified and compressed as it can save up to 2.4 kB or 30% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (30%)

Requests Now

33

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Styrene. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.styrene.co.uk

www.styrene.co.uk

1019 ms

cssreset-min.css

cssreset-min.css

531 ms

style.css

style.css

480 ms

tipsy.css

tipsy.css

490 ms

jquery.min.js

jquery.min.js

571 ms

main.js

main.js

474 ms

jquery.tipsy.js

jquery.tipsy.js

476 ms

jquery.easing.js

jquery.easing.js

803 ms

cookieconsent.min.css

cookieconsent.min.css

32 ms

cookieconsent.min.js

cookieconsent.min.js

45 ms

bg.gif

bg.gif

337 ms

analytics.js

analytics.js

44 ms

spilogo.png

spilogo.png

428 ms

facebook.png

facebook.png

355 ms

twitter.png

twitter.png

428 ms

linkedin.png

linkedin.png

354 ms

hotspots-button.png

hotspots-button.png

355 ms

poptop.png

poptop.png

392 ms

close.gif

close.gif

675 ms

popbase.png

popbase.png

681 ms

viewproducts-button.png

viewproducts-button.png

680 ms

14001-RGB-Tick.png

14001-RGB-Tick.png

1053 ms

9001-RGB-Tick.png

9001-RGB-Tick.png

1090 ms

ce-logo.png

ce-logo.png

767 ms

recycle-logo.png

recycle-logo.png

1005 ms

gtm.js

gtm.js

80 ms

buttonbglong.jpg

buttonbglong.jpg

1056 ms

search-bg.png

search-bg.png

975 ms

search-go.png

search-go.png

1075 ms

house.png

house.png

1803 ms

pulse.png

pulse.png

1327 ms

green_pulse.png

green_pulse.png

1350 ms

collect

collect

14 ms

js

js

56 ms

Accessibility Review

styrene.biz accessibility score

84

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

styrene.biz best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

styrene.biz SEO score

69

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Styrene.biz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Styrene.biz main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

styrene.biz

Open Graph description is not detected on the main page of Styrene. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: